Search SchoolNGR

Sunday, 14 June 2026
Register . Login

Biology Past Questions and Answers

Waec Biology Questions

Question 386:
In complex food relationships in a community, the primary, secondary and tertiary consumers are referred
to as
  • A Symbionts
  • B Omnivores
  • C Heterotrophs
  • D Autotrophs
  • E Carnivores
View Answer & Explanation
Question 387:
The cell membrane of a cell is said to be semi-permeable because
  • A It allows only large molecular substances to pass through it into the cell
  • B It is actively involved in energy production in the cell
  • C It actively allows all substances to pass through it by diffusion
  • D It is actively selective in allowing substances pass through it
  • E Fatty acids are only the building blocks of the membrane
View Answer & Explanation
Question 388:
The function of the part labelled I is
  • A Controlling water loss
  • B Trapping solar energy
  • C Absorbing water
  • D Storing sugar
  • E Transporting sugar
View Answer & Explanation
Question 389:
The part labelled ll is the
  • A Stoma
  • B Palisade cell
  • C Spongy cell
  • D Guard cell
  • E Epidermal cell.
View Answer & Explanation
Question 390:
The structure that will be stained blue-black by iodine is labelled
  • A I
  • B II
  • C III
  • D IV
  • E V
View Answer & Explanation